[Cob] Cement and cob restoration

[Mitch Ventura]

Not exactly on-topic, but the following article on restauration makes a valid point towards the end about using cement for "patching" older buildings which would cause the same problems if used as a "quick and dirty" for cob structures:
 
http://www.opendemocracy.net/jessica-douglas-home/saxon-villages-restoration-is-for-future?utm_source=feedblitz&utm_medium=FeedBlitzEmail&utm_content=201210&utm_campaign=On-Demand_%272010-09-06%2012%3a17%3a00%27